To cite package ‘catlearn’ in publications use:

  Wills A, Dome L, Edmunds C, Honke G, Inkster A, Schlegelmilch R,
  Spicer S (2025). _catlearn: Formal Psychological Models of
  Categorization and Learning_. R package version 1.1,
  <https://CRAN.R-project.org/package=catlearn>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {catlearn: Formal Psychological Models of Categorization and Learning},
    author = {Andy Wills and Lenard Dome and Charlotte Edmunds and Garrett Honke and Angus Inkster and René Schlegelmilch and Stuart Spicer},
    year = {2025},
    note = {R package version 1.1},
    url = {https://CRAN.R-project.org/package=catlearn},
  }